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Finding the Fourth Proportional to 7,358.58, 10,156.05 and 5,375.70

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Solution

The fourth proportional to 7,358.58, 10,156.05 and 5,375.70 is: 7,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.58 : 10,156.05 = 5,375.70 : x
  2. Step 2: Convert to fraction form
    7,358.58/10,156.05 = 5,375.70/x
  3. Step 3: Cross multiply
    7,358.58x = 10,156.05 × 5,375.70
  4. Step 4: Simplify right side
    7,358.58x = 54,595,877.99
  5. Step 5: Solve for x
    x = 54,595,877.99/7,358.58
  6. Step 6: Final answer
    x = 7,419.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.